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A study of future communications concepts and technologies for the national airspace system-Part I

Denise S. Ponchak, Rafael D. Apaza, Brian Haynes, Joel M. Wichgers, Aloke Roy
2013 2013 IEEE/AIAA 32nd Digital Avionics Systems Conference (DASC)  
CANDIDATE TECHNOLOGY ANALYSIS Current Technologies Current communication technologies for aviation include dedicated HF, narrow-band VHF systems; shared low-speed satellite systems such as INMERSAT Classic  ...  suitability in a post-NextGen NAS environment.  ...  John A. Cavolowsky, Dr. Parimal H. Kopardekar, Mr. Rudolph A. Aquilina, and, Ms. Nazaret C. Galeon.  ... 
doi:10.1109/dasc.2013.6712561 fatcat:jusnwlu6nnbsbgjttvknpgsklu

Non-Satellite Broadband Maritime Communications for e-Navigation Services

Michal Hoeft, Krzysztof Gierlowski, Jacek Rak, Jozef Wozniak, Krzysztof Nowicki
2021 IEEE Access  
The overall architecture of the system includes both terrestrial and satellite radio communication links in the VHF maritime mobile bands [24] .  ...  VHF Data Exchange System [35] defines a list of communication scenarios, regulates access of existing services to terrestrial and satellite frequency bands currently used for maritime communications  ... 
doi:10.1109/access.2021.3074476 fatcat:rwqnqq4jbrff3jz3nfyvpxlqt4

Toward a Next Generation Architecture for Public Safety Communications

Phil Weiser, Dale Hatfield, Brad Bernthal
2006 Social Science Research Network  
The early voice systems operating at both Low Band and High Band consisted essentially of a base station transmitter-receiver combination, an antenna tower and antenna, and the individual mobile transmitter-receiver  ...  These two mobile radio bands in the 40 MHz and 150 MHz portion of the VHF range became known as Low Band and High Band respectively.  ...  interface, noting that a multimode radio that could provide both broadband and P25 access would be most economical.  ... 
doi:10.2139/ssrn.903151 fatcat:6gx57fa5afbzdpyovm6ciedrke

The Future of Radio Revisited: Expert Perspectives and Future Scenarios for Radio Media in 2025

Per Jauert, Marko Ala-Fossi, Golo Föllmer, Stephen Lax, Kenneth Murphy
2017 Journal of radio & audio media  
Stephen Lax is a senior lecturer in communication technology in the School of Media and Communication, University of Leeds, UK.  ...  Instead of a transition from analog to digital audio broad-casting (DAB), there was a selection of alternative technological options for digital audio delivery.  ...  Finland and Sweden will release the 700 MHz band for mobile already in 2017: a rapid transition is possible partly because also VHF Band III frequencies are used for TV broadcasting.  ... 
doi:10.1080/19376529.2017.1310574 fatcat:fsu4jsar7ff2hi77xf5e44dr2m

UAV-Empowered Disaster-Resilient Edge Architecture for Delay-Sensitive Communication [article]

Zeeshan Kaleem, Muhammad Yousaf, Aamir Qamar, Ayaz Ahmad, Trung Q. Duong, Wan Choi, Abbas Jamalipour
2019 arXiv   pre-print
The fifth-generation (5G) communication systems will enable enhanced mobile broadband, ultra-reliable low latency, and massive connectivity services.  ...  Then, we discuss the spectrum bands allocated for PS-LTE in major countries by international telecommunication union (ITU).  ...  INTRODUCTION The fifth-generation (5G) communications system is targetting broadband and ultra-reliable communications to meet users' diverse requirements.  ... 
arXiv:1809.09617v2 fatcat:3fzexidkora5npstd2jk2gdmwm

Current Situation and Future Innovations in Arctic Communications

Simon Plass, Federico Clazzer, Fritz Bekkadal
2015 2015 IEEE 82nd Vehicular Technology Conference (VTC2015-Fall)  
As also addressed in this article, satellite links could additionally backhaul terrestrial networks for local communications.  ...  By melting of the ice caps, the undergoing change of the north polar area opens new opportunities and, therefore, increases the need for human and machine-to-machine communications.  ...  Many different groups have diverse communication requirements.  ... 
doi:10.1109/vtcfall.2015.7390883 dblp:conf/vtc/PlassCB15 fatcat:5qrdf7ztfbb5zisa2dmr7lnfu4

Performance Analysis of a 5G Transceiver Implementation for Remote Areas Scenarios

Wheberth Dias, Danilo Gaspar, Luciano Mendes, Marwa Chafii, Maximilian Matthe, Peter Neuhaus, Gerhard Fettweis
2018 2018 European Conference on Networks and Communications (EuCNC)  
The fifth generation of mobile communication networks will support a large set of new services and applications. One important use case is the remote area coverage for broadband Internet access.  ...  The performance of the prototype is evaluated regarding its out-of-band emissions and bit error rate under AWGN channel.  ...  Since the transceiver employs two transmit and receive antennas, the system can achieve a diversity of order 4 (MIMO 2x2).  ... 
doi:10.1109/eucnc.2018.8443268 dblp:conf/eucnc/DiasGMCMNF18 fatcat:yyguovworbbsredunxnzalwi4i

Radio Propagation in Terrestrial Broadcasting Television Systems: a Comprehensive Survey

Alejandro Aragon-Zavala, Pablo Angueira, Jon Montalban, Cesar Vargas-Rosales
2021 IEEE Access  
For more information, see https://creativecommons.org/licenses/by/4.0/ 34790 VOLUME 9, 2021 VOLUME 9, 2021 FIGURE 2. Propagation mechanisms affecting DTTB systems.  ...  Propagation phenomena have a direct (and possibly critical) impact on those three pillars. This paper fills the current gap of a thorough survey on propagation methods and models for broadcasting.  ...  The free spectrum on both VHF and UHF bands is under consideration for wireless broadband Internet access, especially in rural areas, although part of the lower VHF spectrum has already been pursued by  ... 
doi:10.1109/access.2021.3061034 fatcat:hpi7hmyg3rbmdjanx6y5udofzy

Interoperability Among Heterogeneous Networks for Future Aeronautical Communications [chapter]

Kai Xu, Prashant Pillai, Yim Fun, Muhammad Ali
2011 Future Aeronautical Communications  
The Ku-band system is used for receive mode only to reduce the number of antennas and the L-band will use the INMARSAT Swift Broadband link capable of both transmit and receive functions.  ...  The Antennas include a hybrid Ku/L band Integrated Antenna (IA), a VHF antenna and a C-band antenna. The IA is a hybrid Ku/L band SatCom antenna to enable an asymmetric broadband link.  ...  Aeronautical communications is seen as a major bottleneck stressing capacity limits in air transportation.  ... 
doi:10.5772/29304 fatcat:l3ax7ls5s5g3vgcsslwfwl3zui

Personal Satellite Services

Igor Bisio, Yim Fun Hu
2012 EAI Endorsed Transactions on Ubiquitous Environments  
In more detail, among the topics that deal with Personal Satellite Services, this special issue focuses on four topics: i) dual frequency receivers performance for Galileo-based tracking services; ii)  ...  integrated radio systems; iii) transport layer protocols; iv) security issues in Delay Tolerant Networks.  ...  Alongside existing systems such as VHF Data Link Mode 2, new systems such as LDACS and AeroMACS are being proposed along with satellite communications.  ... 
doi:10.4108/trans.ubienv.2012.e2 fatcat:4xffrmd6lfhnjkg5pxa6m3lcky

Transformative Choices: A Review of 70 Years of FCC Decisions

Sherille Ismail
2011 Journal of Information Policy  
What lessons does history offer about telecommunications regulation in a time of fundamental change?  ...  He offers some relevant factors for guidance as new situations develop.  ...  from incumbent operators in the VHF band who had large investments in VHF transmitters and receivers. 43 ntermixing" (assigning VHF and UHF stations to compete in the same communities) was doomed to  ... 
doi:10.5325/jinfopoli.1.2011.6 fatcat:6ywued5bhncpphet7us376nq5y

Aeronautical Networks for In-Flight Connectivity: A Tutorial of the State-of-the-Art and Survey of Research Challenges

Tugce Bilen, Hamed Ahmadi, Berk Canberk, Trung Q. Duong
2022 IEEE Access  
. • High Frequency (HF) and Very High Frequency (VHF) Links: The HF and VHF links could be used for the aeronautical voice communications based on the Single Side-Band Amplitude Modulation (SSB-AM) and  ...  Therefore, the environmental and mobility effects cause specific challenges for AANETs.  ...  The VDL refers to digital communications on the VHF band.  ... 
doi:10.1109/access.2022.3151658 fatcat:bgfauxthlzeanocnsj7casuqmq

Spectrum Challenges for Modern Mobile Services

P. K. Garg, T. R. Dua, Ashok Chandra
2013 Journal of ICT Standardization  
Proliferation of wireless services and demand of greater mobility has exerted pressure on spectrum manager to make available additional spectrum in lower bands.  ...  With current spectrum management practice, no spectrum below 3 GHz is free/readily available for new services. Spectrum sharing is one solution to make available additional spectrum for new services.  ...  Trends Contributing to Increased Demand for Mobile Broadband Despite its short history, mobile broadband seems to have a higher growth impact relative to communication technologies, such as fixed and mobile  ... 
doi:10.13052/jicts2245-800x.12a2 fatcat:xekqslpvfbf6pmi4bpwuy3pvoi

5G Mobile Phone Network Introduction in Colombia

Dora Cama-Pinto, Miguel Damas, Juan Antonio Holgado-Terriza, Francisco Gómez-Mula, Andrés Camilo Calderin-Curtidor, Juan Martínez-Lao, Alejandro Cama-Pinto
2021 Electronics  
), and frequency bands, and evaluate the current stage of its introduction in Colombia.  ...  This is the case in Colombia, where the assignment of the first 5G band is planned for the third quarter of 2021.  ...  Comparison of MIMO in 5G vs. 4G 2 × 2 MIMO systems are successfully used for 4G mobile networks, and a large number of antenna elements are added for 5G communications.  ... 
doi:10.3390/electronics10080922 fatcat:zlwfw4jry5fxhahcc65jbbfut4

Maritime Networking: Bringing Internet to the Sea

Kok-Lim Alvin Yau, Aqeel Raza Syed, Wahidah Hashim, Junaid Qadir, Celimuge Wu, Najmul Hassan
2019 IEEE Access  
In spite of the need to achieve performance close to high-speed terrestrial wireless broadband service on land, there is only a perfunctory effort to investigate maritime networks.  ...  The objective is to establish a foundation in order to motivate a new research interest in maritime networks.  ...  There are a range of VHF radio channels for a diverse range of purposes; for instance, a marine-band VHF channel at 156.975 MHz (or channel 79) caters for operational, navigation, and safety matters in  ... 
doi:10.1109/access.2019.2909921 fatcat:ms33xi2s5zhwncqvxlf5andr2a
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